Weather-resistant electrophoretic wood grain aluminum profile production process and aluminum profile prepared through same

A production process and technology for aluminum profiles, applied in the field of aluminum profiles, can solve the problems of poor weather resistance, affect the decorative effect, blurred wood grain patterns, etc., and achieve the effect of good coverage, smooth and clean film surface, and completely clear transfer printing.

Inactive Publication Date: 2019-11-12
湖南金牛铝业有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, the disadvantage of the wood-grain aluminum profiles in the prior art is that they have poor weather resistance. When they are directly exposed to outdoor sunlight, they lose their original color in a few months, and the wood grain patterns become blurred. , affecting its decorative effect

Method used

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  • Weather-resistant electrophoretic wood grain aluminum profile production process and aluminum profile prepared through same

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Experimental program
Comparison scheme
Effect test

Embodiment 1

[0024] The production process of weather-resistant electrophoretic wood-grain aluminum profiles is realized through the following steps:

[0025] S1: After deburring the surface of the aluminum profile, place it in a degreasing tank at 40°C and soak for 2 minutes at room temperature to complete the degreasing process. Sulfuric acid 160 g / L; lift out after oil removal, enter the washing tank, and enter the next process after washing twice;

[0026] S2: Dry the aluminum profile processed in step S1 until there is no obvious moisture on the surface, then put it into the acid etching tank and soak for 10 minutes at 30°C to complete the acid etching process, in which the composition of the acid etching tank liquid is 60 g of ammonium bifluoride / L; enter another washing tank after acid etching, and enter the next process after washing once;

[0027] S3: Put the aluminum profiles that have passed step S2 into the alkali etching tank at 35°C for soaking and alkali etching. The alkal...

Embodiment 2

[0036] S1: After deburring the surface of the aluminum profile, place it in a degreasing tank at 40°C and soak for 2 minutes at room temperature to complete the degreasing process. Sulfuric acid 210 g / L; lift out after oil removal, enter the washing tank, and enter the next process after washing twice;

[0037] S2: Dry the aluminum profile treated in step S1 until there is no obvious moisture on the surface, then put it into the acid etching tank and soak it at 45°C for 3 minutes to complete the acid etching process, in which the composition of the acid etching tank liquid is 40 g of ammonium bifluoride / L; enter another washing tank after acid etching, and enter the next process after washing once;

[0038] S3: Put the aluminum profiles that have passed step S2 into the alkali etching tank at 35-50°C for soaking and alkali etching. The alkali etching time depends on the surface treatment requirements. The alkali etching tank liquid is free alkali 40g / L, Al 3+ 40g / L; After t...

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Abstract

The invention discloses a weather-resistant electrophoretic wood grain aluminum profile production process and an aluminum profile prepared through the same. The process comprises the following stepsof a pretreatment procedure, an electrophoresis procedure and a heat transfer printing procedure, wherein the pretreatment procedure comprises the following treatment of oil removing, acid etching, alkali etching, neutralization, oxidation, coloring, hole sealing, hot water soaking and the like on the aluminum profile. According to the process and the aluminum profile, the anti-erosion abilities of the acid resistance, the alkali resistance and the like of the aluminum profile are effectively improved; and moreover, the surface of a film is flat, smooth, uniform and consistent, and a bright metal surface is obtained.

Description

technical field [0001] The invention relates to a production process of weather-resistant electrophoretic wood-grained aluminum profiles and the prepared aluminum profiles, belonging to the technical field of aluminum profile surface treatment. Background technique [0002] The surface of wood-grained aluminum profiles is rich and colorful, and can be made into various styles of precious wood styles such as huanghuali, golden oak, and white pear wood, and its price is cheaper than real wood, so it is used by users to replace wood. Plates etc. are formed. However, the wood-grain aluminum profile in the prior art has the disadvantage of poor weather resistance. When it is directly exposed to outdoor sunlight, it loses its original color in a few months, and the wood grain pattern becomes blurred. , affecting its decorative effect. In response to this situation, the company decided to develop a weather-resistant electrophoretic wood grain aluminum profile, where weather resis...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C25D11/08C25D11/22C25D11/16C25D11/24B44C1/17B44F9/02
CPCB44C1/1712B44F9/02C25D11/08C25D11/16C25D11/22C25D11/246
Inventor 杨洋杨洪波王江文舒健毕仁红
Owner 湖南金牛铝业有限公司
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